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Hawaii's Kohl Christensen surfs an outer reef in Hawaii on the North Shore of O'ahu on November 26, 2018. (Photo-AFP)

Tokyo 2020 Olympics Games mascots Miraitowa and Someity wave from a boat during a parade with karate practitioner Kiyo Shimizu and para athlete Hajimu Ashida in Tokyo on July 22, 2018.(AFP Photo)

People dressed up as the mascots for the 2018 Asian Games take part in a parade to mark 100-day countdown to the start of the games in Jakarta on May 13, 2018.(Photo-AFP).

Students and athletes attend a parade to mark the 100-day countdown to the start of the Asian Games in Jakarta on May 13, 2018.(Photo-AFP).

Participants attend a parade to mark the 100-day countdown to the start of the Asian Games in Jakarta on May 13, 2018. Indonesia will host the 2018 Asian Games from August 18 to September 2 in Jakarta and Palembang. (Photo- AFP)

Runners participate in the Vienna City Marathon in Vienna, Austria, on April 22, 2018. More than 41000 athletes take part in the 35th Vienna City Marathon. (Photo-AFP.)

Runners participate in the Vienna City Marathon in Vienna, Austria, on April 22, 2018. More than 41000 athletes take part in the 35th Vienna City Marathon. ( Photo: AFP.)

England's Joe Root celebrates 50 runs during day four of the second cricket Test match between New Zealand and England at Hagley Oval in Christchurch on April 2, 2018. (Photo- AFP)

New Zealand's Tim Southee receives the ball during day four of the second cricket Test match between New Zealand and England at Hagley Oval in Christchurch on April 2, 2018. (Photo-AFP)

New Zealand's Colin de Grandhomme bowls during day four of the second cricket Test match between New Zealand and England at Hagley Oval in Christchurch on April 2, 2018.(Photo-AFP)

India's captain Virat Kohli plays a shot during the third day of the second Test cricket match between South Africa and India at Supersport cricket ground on January 15, 2018 in Centurion, South Africa. Photo -AFP.

A visitor has a tattoo done at the Rites of Passage tattoo festival event in Sydney on October 29, 2017. Photo: AFP.

Russia's Yenisey-STM rugby team players take part in a training session at Moscow's Slava stadium on October 20, 2017 on the eve of their European Challenge Cup game against Dragons (Wales)

South African batsman Dean Elgar raises his bat to celebrate scoring a half century during the first day of the second cricket Test Match between South Africa and Bangladesh in Bloemfontein on October 6, 2017.Photo-AFP.

Bangladeshi cricketer Shakib Al Hasan (2L) celebrates with his teammates after the dismisal of Australian cricketer Matt Renshaw during the second day of the first Test cricket match between Bangladesh and Australia at the Sher-e-Bangla National Cricket Stadium in Dhaka on August 28, 2017. Photo_ AFP.

Bangladeshi cricketer Shakib Al Hasan (L) reacts after the dismisal of Australian cricketer Matt Renshaw during the second day of the first Test cricket match between Bangladesh and Australia at the Sher-e-Bangla National Cricket Stadium in Dhaka on August 28, 2017.Photo-AFP.

Australian cricket captain Steven Smith is bowled by Bangladeshi cricketer Mehidy Hasan during the second day of the first Test cricket match between Bangladesh and Australia at the Sher-e-Bangla National Cricket Stadium in Dhaka on August 28, 2017. Photo: AFP.

Indonesia's Eka Purnima Indah competes in the women's diving 3m springboard final of the 29th Southeast Asian Games (SEA Games) at the National Aquatics Centre in Kuala Lumpur on August 26, 2017. Photo: AFP

Malaysia's Ng Yan Yee competes in the women's diving 3m springboard final of the 29th Southeast Asian Games (SEA Games) at the National Aquatics Centre in Kuala Lumpur on August 26, 2017. Photo: AFP

This photo taken on August 19, 2017 shows a man jumping into the Donghu Lake with a bicycle in Wuhan in China's central Hubei province. Photo: AFP

Indian cricketer Ravindra Jadeja (2R) celebrates with teammates after dismissing Sri Lankan cricketer Dhananjaya de Silva during the fourth day of the second Test match between Sri Lanka and India at the Sinhalese Sports Club (SSC) Ground in Colombo on August 6, 2017. Source: AFP

Ian Gouveia of Brazil gets some air during his round two heat in the men's division at the US Open of Surfing in Huntington Beach, California, on August 2, 2017. Photo: AFP

Ian Gouveia of Brazil gets some air during his round two heat in the men's division at the US Open of Surfing in Huntington Beach, California, on August 2, 2017. Photo: AFP

Heitor Alves of Brazil gets some air during his round two heat in the men's division at the US Open of Surfing in Huntington Beach, California, on August 2, 2017. Photo: AFP

Alexa Porpaczy of Canada competes in the Girls High Jump Final at the Athletics on day 6 of the 2017 Youth Commonwealth Games at Thomas A. Robinson National Stadium on July 23, 2017 in Nassau, Bahamas. Photo: AFP

Sean Szalek of Australia jumps to win the gold medal in the Boys High Jump Final at the Athletics on day 5 of the 2017 Youth Commonwealth Games at Thomas A. Robinson National Stadium on July 22, 2017 in Nassau, Bahamas. Photo: AFP

Competitors take the start of the swimming race of the 13th Ironman thriathlon in Nice on July 23, 2017

Team Kazakhstan competes in the Women's Free Combination Final during the synchronised swimming competition at the 2017 FINA World Championships in Budapest, on July 22, 2017.Photo: AFP

Team Kazakhstan competes in the Women's Free Combination Final during the synchronised swimming competition at the 2017 FINA World Championships in Budapest, on July 22, 2017. Photo: AFP

Team Kazakhstan competes in the Women's Free Combination Final during the synchronised swimming competition at the 2017 FINA World Championships in Budapest, on July 22, 2017. Photo: AFP

South Africa's cricketers take to the field at the start of play on the fourth day of the second Test match between England and South Africa at Trent Bridge cricket ground in Nottingham, central England on July 17, 2017. Photo: AFP

England's Keaton Jennings (C) is bowled out by South Africa's Vernon Philander for three runs on the fourth day of the second Test match between England and South Africa at Trent Bridge cricket ground in Nottingham, central England on July 17, 2017. Photo: AFP

South Africa's Duanne Olivier (3L) celebrates taking the wicket of England's Mark Wood (2L) with the first ball on the fourth day of the second Test match between England and South Africa at Trent Bridge cricket ground in Nottingham, central England on July 17, 2017. South Africa won by 340 runs. Photo: AFP

South Africa captain Faf du Plessis (C) and south Africa's players carry the stumps as they leave the field on the fourth day of the second Test match between England and South Africa at Trent Bridge cricket ground in Nottingham, central England on July 17, 2017. South Africa won by 340 runs. Photo: AFP

Everton's English striker Wayne Rooney (L) runs with the ball during a SportsPesa Super Cup final football match against Gor Mahia in Dar-es-Salaam on July 13, 2017. Photo: AFP

Everton's English striker Wayne Rooney (R) kicks the ball on July 13, 2017, during a SportsPesa Super Cup final match against Gor Mahia in Dar-es-Salaam. Photo: AFP

Participants run ahead of Victoriano del Rio's fighting bulls during the sixth bull run of the San Fermin festival in Pamplona, northern Spain on July 12, 2017. Photo: AFP

In this picture taken on July 8, 2017, Japanese surfer Minori Kawai rides a wave during a training session in the town of Ichinomiya, Chiba prefecture. Photo: AFP

A participant is knocked down by Jandilla's fighting bulls during the fifth bull run of the San Fermin festival in Pamplona, northern Spain on July 11, 2017. Photo: AFP

Participants run ahead of Jandilla's fighting bulls during the fifth bull run of the San Fermin festival in Pamplona, northern Spain on July 11, 2017. Photo: AFP

West Indies' captain Jason Holder celebrates after dismissing India's captain Virat Kohli during the fourth One Day International (ODI) match between West Indies and India at the Sir Vivian Richards Cricket Ground in St. John's, Antigua, on July 2, 2107. Photo: AFP

Germany's players run towards the trophy as they celebrate winning the 2017 Confederations Cup final football match between Chile and Germany at the Saint Petersburg Stadium in Saint Petersburg on July 2, 2017. Photo: AFP

The winner's trophy is displayed on the 18th green after Kyle Stanley of the United States defeated Charles Howell III of the United States during a playoff in the final round of the Quicken Loans National on July 2, 2017 TPC Potomac in Potomac, Maryland. Photo: AFP

Zimbabwe cricketer Ryan Burl celebrates with his teammates after he dismissed Lankan cricketer Dickwella during the first ODI cricket match between Sri Lanka and Zimbabwe at the Galle International Cricket Stadium in Galle on June 30, 2017. Photo: AFP

Sri Lankan cricketer Danushka Gunathilaka plays a shot during the first one-day international (ODI) cricket match between Sri Lanka and Zimbabwe at the Galle International Cricket Stadium in Galle on June 30, 2017. Photo: AFP

Algerian fans of the usama club celebrate the score during the CAF Champions League between USM Alger and Zamalek at the Stadium 5 July 1962 in Algiers on 21 June 2017. Photo: AFP